Which laboratory product design innovation, introduced in the 1970s, revolutionized scientific workflow by enabling researchers to transfer precise microliter volumes with disposable tips?

Modern scientific research relies heavily on well-designed laboratory equipment. The evolution of scientific instruments has dramatically accelerated discovery while improving safety and efficiency. This poll tests your knowledge about a significant innovation in laboratory product design that transformed scientific workflow and safety standards worldwide. Think about how product design in science has evolved to meet researchers' changing needs!

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Micropipette with adjustable volume settings
Digital analytical balance with 0.1mg precision
Laminar flow hood with HEPA filtration
Benchtop centrifuge with interchangeable rotors